5 Extension module for the rfxswf library.
6 Part of the swftools package.
8 Copyright (c) 2001 Rainer Böhme <rfxswf@reflex-studio.de>
9 Copyright (c) 2003,2004 Matthias Kramm
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
25 static U32 readUTF8char(U8 ** text)
28 if (!(*(*text) & 0x80))
31 /* 0000 0080-0000 07FF 110xxxxx 10xxxxxx */
32 if (((*text)[0] & 0xe0) == 0xc0 && (*text)[1]) {
33 c = ((*text)[0] & 0x1f) << 6 | ((*text)[1] & 0x3f);
37 /* 0000 0800-0000 FFFF 1110xxxx 10xxxxxx 10xxxxxx */
38 if (((*text)[0] & 0xf0) == 0xe0 && (*text)[1] && (*text)[2]) {
39 c = ((*text)[0] & 0x0f) << 12 | ((*text)[1] & 0x3f) << 6 | ((*text)[2] & 0x3f);
43 /* 0001 0000-001F FFFF 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */
44 if (((*text)[0] & 0xf8) == 0xf0 && (*text)[1] && (*text)[2]
46 c = ((*text)[0] & 0x07) << 18 | ((*text)[1] & 0x3f) << 12 | ((*text)[2] & 0x3f) << 6 | ((*text)[3] & 0x3f);
50 /* 0020 0000-03FF FFFF 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */
51 if (((*text)[0] & 0xfc) == 0xf8 && (*text)[1] && (*text)[2]
54 c = ((*text)[0] & 0x03) << 24 | ((*text)[1] & 0x3f) << 18 | ((*text)[2] & 0x3f) << 12 | ((*text)[3] & 0x3f) << 6 | ((*text)[4] & 0x3f);
58 /* 0400 0000-7FFF FFFF 1111110x 10xxxxxx ... 10xxxxxx */
59 if (((*text)[0] & 0xfe) == 0xfc && (*text)[1] && (*text)[2]
61 && (*text)[4] && (*text)[5]) {
62 c = ((*text)[0] & 0x01) << 30 | ((*text)[1] & 0x3f) << 24 |
63 ((*text)[2] & 0x3f) << 18 | ((*text)[3] & 0x3f) << 12 | ((*text)[4] & 0x3f) << 6 | ((*text)[5] & 0x3f) << 6;
70 #define TF_TEXTCONTROL 0x80
71 #define TF_HASFONT 0x08
72 #define TF_HASCOLOR 0x04
73 #define TF_HASYOFFSET 0x02
74 #define TF_HASXOFFSET 0x01
76 #define FF_WIDECODES 0x01
78 #define FF_ITALIC 0x04
80 #define FF_SHIFTJIS 0x10
81 #define FF_UNICODE 0x20
84 #define FF2_ITALIC 0x02
85 #define FF2_WIDECODES 0x04
86 #define FF2_WIDEOFFSETS 0x08
88 #define FF2_UNICODE 0x20
89 #define FF2_SHIFTJIS 0x40
90 #define FF2_LAYOUT 0x80
92 int swf_FontIsItalic(SWFFONT * f)
94 return f->style & FONT_STYLE_ITALIC;
97 int swf_FontIsBold(SWFFONT * f)
99 return f->style & FONT_STYLE_BOLD;
102 static const int WRITEFONTID = 0x4e46; // font id for WriteFont and ReadFont
104 int swf_FontEnumerate(SWF * swf, void (*FontCallback) (void*, U16, U8 *), void*self)
114 if (swf_GetTagID(t) == ST_DEFINEFONT2 || swf_GetTagID(t) == ST_DEFINEFONT) {
125 if (swf_GetTagID(t) == ST_DEFINEFONT2 || swf_GetTagID(t) == ST_DEFINEFONTINFO || swf_GetTagID(t) == ST_DEFINEFONTINFO2) {
128 swf_GetBlock(t, s, l);
132 (FontCallback) (self, id, s);
134 swf_RestoreTagPos(t);
142 int swf_FontExtract_DefineFont(int id, SWFFONT * f, TAG * t)
149 if ((!id) || (id == fid)) {
160 f->glyph = rfx_calloc(sizeof(SWFGLYPH) * n);
162 for (i = 1; i < n; i++)
164 for (i = 0; i < n; i++)
165 swf_GetSimpleShape(t, &f->glyph[i].shape);
168 swf_RestoreTagPos(t);
172 int swf_FontExtract_DefineFontInfo(int id, SWFFONT * f, TAG * t)
185 if (f->version > 1) {
186 /* Especially with Flash MX, DefineFont2 may have FontInfo fields,
187 too. However, they only add little information to what's already
188 inside the DefineFont2 tag */
195 f->name = (U8 *) rfx_alloc(l + 1);
196 swf_GetBlock(t, f->name, l);
199 flags = swf_GetU8(t);
201 f->style |= FONT_STYLE_BOLD;
203 f->style |= FONT_STYLE_ITALIC;
205 f->encoding |= FONT_ENCODING_ANSI;
207 f->encoding |= FONT_ENCODING_SHIFTJIS;
209 f->encoding |= FONT_ENCODING_UNICODE;
211 if (t->id == ST_DEFINEFONTINFO2) {
212 f->language = swf_GetU8(t);
215 f->glyph2ascii = (U16 *) rfx_alloc(sizeof(U16) * f->numchars);
217 for (i = 0; i < f->numchars; i++) {
218 f->glyph2ascii[i] = ((flags & FF_WIDECODES) ? swf_GetU16(t) : swf_GetU8(t));
219 if (f->glyph2ascii[i] > maxcode)
220 maxcode = f->glyph2ascii[i];
225 f->maxascii = maxcode;
226 f->ascii2glyph = (int *) rfx_alloc(sizeof(int) * maxcode);
227 memset(f->ascii2glyph, -1, sizeof(int) * maxcode);
229 for (i = 0; i < f->numchars; i++)
230 f->ascii2glyph[f->glyph2ascii[i]] = i;
233 swf_RestoreTagPos(t);
237 int swf_FontExtract_GlyphNames(int id, SWFFONT * f, TAG * tag)
243 swf_SetTagPos(tag, 0);
245 fid = swf_GetU16(tag);
248 int num = swf_GetU16(tag);
250 f->glyphnames = rfx_alloc(sizeof(char *) * num);
251 for (t = 0; t < num; t++) {
252 f->glyphnames[t] = strdup(swf_GetString(tag));
256 swf_RestoreTagPos(tag);
261 int swf_FontExtract_DefineFont2(int id, SWFFONT * font, TAG * tag)
268 U8 flags1, flags2, namelen;
270 swf_SetTagPos(tag, 0);
272 fid = swf_GetU16(tag);
276 flags1 = swf_GetU8(tag);
277 flags2 = swf_GetU8(tag); //reserved flags
280 font->style |= FONT_STYLE_BOLD;
282 font->style |= FONT_STYLE_ITALIC;
284 font->encoding |= FONT_ENCODING_ANSI;
286 font->encoding |= FONT_ENCODING_UNICODE;
288 font->encoding |= FONT_ENCODING_SHIFTJIS;
290 namelen = swf_GetU8(tag);
291 font->name = (U8 *) rfx_alloc(namelen + 1);
292 font->name[namelen] = 0;
293 swf_GetBlock(tag, font->name, namelen);
295 glyphcount = swf_GetU16(tag);
296 font->numchars = glyphcount;
298 font->glyph = (SWFGLYPH *) rfx_calloc(sizeof(SWFGLYPH) * glyphcount);
299 font->glyph2ascii = (U16 *) rfx_calloc(sizeof(U16) * glyphcount);
301 offset = rfx_calloc(sizeof(U32)*(glyphcount+1));
302 offset_start = tag->pos;
304 if (flags1 & 8) { // wide offsets
305 for (t = 0; t < glyphcount; t++)
306 offset[t] = swf_GetU32(tag); //offset[t]
308 if (glyphcount) /* this _if_ is not in the specs */
309 offset[glyphcount] = swf_GetU32(tag); // fontcodeoffset
311 offset[glyphcount] = tag->pos;
313 for (t = 0; t < glyphcount; t++)
314 offset[t] = swf_GetU16(tag); //offset[t]
316 if (glyphcount) /* this _if_ is not in the specs */
317 offset[glyphcount] = swf_GetU16(tag); // fontcodeoffset
319 offset[glyphcount] = tag->pos;
321 for (t = 0; t < glyphcount; t++) {
322 swf_SetTagPos(tag, offset[t]+offset_start);
323 swf_GetSimpleShape(tag, &(font->glyph[t].shape));
326 swf_SetTagPos(tag, offset[glyphcount]+offset_start);
331 for (t = 0; t < glyphcount; t++) {
333 if (flags1 & 4) // wide codes
334 code = swf_GetU16(tag);
336 code = swf_GetU8(tag);
337 font->glyph2ascii[t] = code;
344 font->maxascii = maxcode;
345 font->ascii2glyph = (int *) rfx_alloc(sizeof(int) * maxcode);
346 memset(font->ascii2glyph, -1, sizeof(int) * maxcode);
347 for (t = 0; t < glyphcount; t++) {
348 font->ascii2glyph[font->glyph2ascii[t]] = t;
351 if (flags1 & 128) { // has layout
353 font->layout = (SWFLAYOUT *) rfx_alloc(sizeof(SWFLAYOUT));
354 font->layout->ascent = swf_GetU16(tag);
355 font->layout->descent = swf_GetU16(tag);
356 font->layout->leading = swf_GetU16(tag);
357 for (t = 0; t < glyphcount; t++) {
358 S16 advance = swf_GetS16(tag);
359 font->glyph[t].advance = advance;
361 font->layout->bounds = rfx_alloc(glyphcount * sizeof(SRECT));
362 for (t = 0; t < glyphcount; t++) {
363 swf_ResetReadBits(tag);
364 swf_GetRect(tag, &font->layout->bounds[t]);
367 kerningcount = swf_GetU16(tag);
368 font->layout->kerningcount = kerningcount;
370 font->layout->kerning = (SWFKERNING *) rfx_alloc(sizeof(SWFKERNING) * kerningcount);
372 font->layout->kerning = rfx_alloc(sizeof(*font->layout->kerning) * kerningcount);
373 for (t = 0; t < kerningcount; t++) {
374 if (flags1 & 4) { // wide codes
375 font->layout->kerning[t].char1 = swf_GetU16(tag);
376 font->layout->kerning[t].char2 = swf_GetU16(tag);
378 font->layout->kerning[t].char1 = swf_GetU8(tag);
379 font->layout->kerning[t].char2 = swf_GetU8(tag);
381 font->layout->kerning[t].adjustment = swf_GetS16(tag);
385 swf_RestoreTagPos(t);
390 #define FEDTJ_PRINT 0x01
391 #define FEDTJ_MODIFY 0x02
392 #define FEDTJ_CALLBACK 0x04
395 swf_FontExtract_DefineTextCallback(int id, SWFFONT * f, TAG * t, int jobs,
396 void (*callback) (void *self,
397 int *chars, int *xpos, int nr, int fontid, int fontsize, int xstart, int ystart, RGBA * color), void *self)
408 memset(&color, 0, sizeof(color));
415 swf_GetMatrix(t, &m);
416 gbits = swf_GetU8(t);
417 abits = swf_GetU8(t);
421 flags = swf_GetU8(t);
425 if (flags & TF_TEXTCONTROL) {
426 if (flags & TF_HASFONT)
428 if (flags & TF_HASCOLOR) {
429 color.r = swf_GetU8(t); // rgb
430 color.g = swf_GetU8(t);
431 color.b = swf_GetU8(t);
432 if (swf_GetTagID(t) == ST_DEFINETEXT2)
433 color.a = swf_GetU8(t);
435 if (flags & TF_HASXOFFSET)
437 if (flags & TF_HASYOFFSET)
439 if (flags & TF_HASFONT)
440 fontsize = swf_GetU16(t);
452 for (i = 0; i < num; i++) {
456 glyph = swf_GetBits(t, gbits);
457 adv = swf_GetBits(t, abits);
462 if (jobs & FEDTJ_PRINT) {
463 int code = f->glyph2ascii[glyph];
466 if (jobs & FEDTJ_MODIFY)
467 f->glyph[glyph].advance = adv * 20; //?
469 if (jobs & FEDTJ_PRINT) {
477 if ((id == fid) && (jobs & FEDTJ_PRINT))
479 if (jobs & FEDTJ_CALLBACK)
480 callback(self, buf, advance, num, fid, fontsize, x, y, &color);
485 swf_RestoreTagPos(t);
489 int swf_ParseDefineText(TAG * tag,
490 void (*callback) (void *self, int *chars, int *ypos, int nr, int fontid, int fontsize, int xstart, int ystart, RGBA * color), void *self)
492 return swf_FontExtract_DefineTextCallback(-1, 0, tag, FEDTJ_CALLBACK, callback, self);
495 int swf_FontExtract_DefineText(int id, SWFFONT * f, TAG * t, int jobs)
497 return swf_FontExtract_DefineTextCallback(id, f, t, jobs, 0, 0);
500 int swf_FontExtract(SWF * swf, int id, SWFFONT * *font)
505 if ((!swf) || (!font))
508 f = (SWFFONT *) rfx_calloc(sizeof(SWFFONT));
514 switch (swf_GetTagID(t)) {
516 nid = swf_FontExtract_DefineFont(id, f, t);
520 nid = swf_FontExtract_DefineFont2(id, f, t);
523 case ST_DEFINEFONTINFO:
524 case ST_DEFINEFONTINFO2:
525 nid = swf_FontExtract_DefineFontInfo(id, f, t);
530 nid = swf_FontExtract_DefineText(id, f, t, f->layout ? 0 : FEDTJ_MODIFY);
534 nid = swf_FontExtract_GlyphNames(id, f, t);
549 int swf_FontSetID(SWFFONT * f, U16 id)
557 void swf_LayoutFree(SWFLAYOUT * l)
561 rfx_free(l->kerning);
571 static void font_freeglyphnames(SWFFONT*f)
575 for (t = 0; t < f->numchars; t++) {
576 if (f->glyphnames[t])
577 rfx_free(f->glyphnames[t]);
579 rfx_free(f->glyphnames);
584 static void font_freeusage(SWFFONT*f)
588 rfx_free(f->use->chars);f->use->chars = 0;
590 rfx_free(f->use); f->use = 0;
593 static void font_freelayout(SWFFONT*f)
596 swf_LayoutFree(f->layout);
600 static void font_freename(SWFFONT*f)
608 int swf_FontReduce_old(SWFFONT * f)
612 if ((!f) || (!f->use) || f->use->is_reduced)
617 for (i = 0; i < f->numchars; i++) {
618 if (f->glyph[i].shape && f->use->chars[i]) {
619 f->glyph2ascii[j] = f->glyph2ascii[i];
620 f->glyph[j] = f->glyph[i];
621 f->use->chars[i] = j;
624 f->glyph2ascii[i] = 0;
625 if(f->glyph[i].shape) {
626 swf_ShapeFree(f->glyph[i].shape);
627 f->glyph[i].shape = 0;
628 f->glyph[i].advance = 0;
630 f->use->chars[i] = -1;
634 for (i = 0; i < f->maxascii; i++) {
635 if(f->use->chars[f->ascii2glyph[i]]<0) {
636 f->ascii2glyph[i] = -1;
638 f->ascii2glyph[i] = f->use->chars[f->ascii2glyph[i]];
642 f->maxascii = max_unicode;
643 f->use->is_reduced = 1;
646 font_freeglyphnames(f);
651 int swf_FontReduce(SWFFONT * f)
656 if ((!f) || (!f->use) || f->use->is_reduced)
659 for (i = 0; i < f->numchars; i++) {
660 if(!f->use->chars[i]) {
661 f->glyph2ascii[i] = 0;
662 if(f->glyph[i].shape) {
663 swf_ShapeFree(f->glyph[i].shape);
664 f->glyph[i].shape = 0;
665 f->glyph[i].advance = 0;
671 for (i = 0; i < f->maxascii; i++) {
672 if(!f->use->chars[f->ascii2glyph[i]]) {
673 f->ascii2glyph[i] = -1;
678 f->maxascii = max_unicode;
679 f->numchars = max_glyph;
681 font_freeglyphnames(f);
686 void swf_FontSort(SWFFONT * font)
694 newplace = rfx_alloc(sizeof(int) * font->numchars);
696 for (i = 0; i < font->numchars; i++) {
699 for (i = 0; i < font->numchars; i++)
700 for (j = 0; j < i; j++) {
701 if (font->glyph2ascii[i] < font->glyph2ascii[j]) {
710 n1 = font->glyph2ascii[i];
711 n2 = font->glyph2ascii[j];
712 font->glyph2ascii[j] = n1;
713 font->glyph2ascii[i] = n2;
718 if (font->glyphnames) {
719 c1 = font->glyphnames[i];
720 c2 = font->glyphnames[j];
721 font->glyphnames[j] = c1;
722 font->glyphnames[i] = c2;
725 r1 = font->layout->bounds[i];
726 r2 = font->layout->bounds[j];
727 font->layout->bounds[j] = r1;
728 font->layout->bounds[i] = r2;
732 newpos = rfx_alloc(sizeof(int) * font->numchars);
733 for (i = 0; i < font->numchars; i++) {
734 newpos[newplace[i]] = i;
736 for (i = 0; i < font->maxascii; i++) {
737 if (font->ascii2glyph[i] >= 0)
738 font->ascii2glyph[i] = newpos[font->ascii2glyph[i]];
745 void swf_FontPrepareForEditText(SWFFONT * font)
748 swf_FontCreateLayout(font);
752 int swf_FontInitUsage(SWFFONT * f)
757 fprintf(stderr, "Usage initialized twice");
760 f->use = rfx_alloc(sizeof(FONTUSAGE));
761 f->use->is_reduced = 0;
762 f->use->chars = rfx_calloc(sizeof(f->use->chars[0]) * f->numchars);
766 void swf_FontClearUsage(SWFFONT * f)
770 rfx_free(f->use->chars); f->use->chars = 0;
771 rfx_free(f->use); f->use = 0;
774 int swf_FontUse(SWFFONT * f, U8 * s)
777 swf_FontInitUsage(f);
781 if(*s < f->maxascii && f->ascii2glyph[*s]>=0)
782 f->use->chars[f->ascii2glyph[*s]] = 1;
788 int swf_FontUseGlyph(SWFFONT * f, int glyph)
791 swf_FontInitUsage(f);
792 if(glyph < 0 || glyph >= f->numchars)
794 f->use->chars[glyph] = 1;
798 int swf_FontSetDefine(TAG * t, SWFFONT * f)
800 U16 *ofs = (U16 *) rfx_alloc(f->numchars * 2);
805 swf_ResetWriteBits(t);
806 swf_SetU16(t, f->id);
810 for (i = 0; i < f->numchars; i++)
811 if (f->glyph[i].shape) {
813 p += swf_SetSimpleShape(NULL, f->glyph[i].shape);
816 for (i = 0; i < j; i++)
817 swf_SetU16(t, ofs[i] + j * 2);
819 fprintf(stderr, "rfxswf: warning: Font is empty\n");
823 for (i = 0; i < f->numchars; i++)
824 if (f->glyph[i].shape)
825 swf_SetSimpleShape(t, f->glyph[i].shape);
827 swf_ResetWriteBits(t);
832 static inline int fontSize(SWFFONT * font)
836 for (t = 0; t < font->numchars; t++) {
838 if(font->glyph[t].shape)
839 l = (font->glyph[t].shape->bitlen + 7) / 8;
844 return size + (font->numchars + 1) * 2;
847 int swf_FontSetDefine2(TAG * tag, SWFFONT * f)
853 swf_SetU16(tag, f->id);
855 if (f->layout) flags |= 128; // haslayout
856 if (f->numchars > 256)
857 flags |= 4; // widecodes
858 if (f->style & FONT_STYLE_BOLD)
860 if (f->style & FONT_STYLE_ITALIC)
861 flags |= 2; // italic
862 if (f->maxascii >= 256)
863 flags |= 4; //wide codecs
864 if (fontSize(f) > 65535)
865 flags |= 8; //wide offsets
866 flags |= 8 | 4; //FIXME: the above check doesn't work
868 if (f->encoding & FONT_ENCODING_ANSI)
870 if (f->encoding & FONT_ENCODING_UNICODE)
871 flags |= 32; // unicode
872 if (f->encoding & FONT_ENCODING_SHIFTJIS)
873 flags |= 64; // shiftjis
875 swf_SetU8(tag, flags);
876 swf_SetU8(tag, 0); //reserved flags
879 swf_SetU8(tag, strlen(f->name));
880 swf_SetBlock(tag, f->name, strlen(f->name));
882 /* font name (="") */
885 /* number of glyphs */
886 swf_SetU16(tag, f->numchars);
887 /* font offset table */
889 for (t = 0; t <= f->numchars; t++) {
891 swf_SetU32(tag, /* fontoffset */ 0); /*placeholder */
893 swf_SetU16(tag, /* fontoffset */ 0); /*placeholder */
896 for (t = 0; t <= f->numchars; t++) {
898 tag->data[pos + t * 4] = (tag->len - pos);
899 tag->data[pos + t * 4 + 1] = (tag->len - pos) >> 8;
900 tag->data[pos + t * 4 + 2] = (tag->len - pos) >> 16;
901 tag->data[pos + t * 4 + 3] = (tag->len - pos) >> 24;
903 if (tag->len - pos > 65535) {
904 fprintf(stderr, "Internal error: Font too big and WideOffsets flag not set\n");
907 tag->data[pos + t * 2] = (tag->len - pos);
908 tag->data[pos + t * 2 + 1] = (tag->len - pos) >> 8;
910 if (t < f->numchars) {
911 if(f->glyph[t].shape) {
912 swf_SetSimpleShape(tag, f->glyph[t].shape);
914 swf_SetU8(tag, 0); //non-edge(1) + edge flags(5)
920 /* font code table */
921 if (flags & 4) { /* wide codes */
922 for (t = 0; t < f->numchars; t++) {
923 swf_SetU16(tag, f->glyph2ascii[t]);
926 for (t = 0; t < f->numchars; t++)
927 swf_SetU8(tag, f->glyph2ascii[t]);
930 swf_SetU16(tag, f->layout->ascent);
931 swf_SetU16(tag, f->layout->descent);
932 swf_SetU16(tag, f->layout->leading);
933 for (t = 0; t < f->numchars; t++)
934 swf_SetU16(tag, f->glyph[t].advance);
935 for (t = 0; t < f->numchars; t++) {
936 swf_ResetWriteBits(tag);
937 swf_SetRect(tag, &f->layout->bounds[t]);
939 swf_SetU16(tag, f->layout->kerningcount);
940 for (t = 0; t < f->layout->kerningcount; t++) {
941 if (flags & 4) { /* wide codes */
942 swf_SetU16(tag, f->layout->kerning[t].char1);
943 swf_SetU16(tag, f->layout->kerning[t].char2);
945 swf_SetU8(tag, f->layout->kerning[t].char1);
946 swf_SetU8(tag, f->layout->kerning[t].char2);
948 swf_SetU16(tag, f->layout->kerning[t].adjustment);
954 void swf_FontAddLayout(SWFFONT * f, int ascent, int descent, int leading)
956 f->layout = (SWFLAYOUT *) rfx_alloc(sizeof(SWFLAYOUT));
957 f->layout->ascent = ascent;
958 f->layout->descent = descent;
959 f->layout->leading = leading;
960 f->layout->kerningcount = 0;
961 f->layout->kerning = 0;
962 f->layout->bounds = (SRECT *) rfx_calloc(sizeof(SRECT) * f->numchars);
965 int swf_FontSetInfo(TAG * t, SWFFONT * f)
972 swf_ResetWriteBits(t);
973 swf_SetU16(t, f->id);
974 l = f->name ? strlen(f->name) : 0;
979 swf_SetBlock(t, f->name, l);
980 if (f->numchars >= 256)
983 if (f->style & FONT_STYLE_BOLD)
985 if (f->style & FONT_STYLE_ITALIC)
987 if (f->style & FONT_ENCODING_ANSI)
989 if (f->style & FONT_ENCODING_SHIFTJIS)
991 if (f->style & FONT_ENCODING_UNICODE)
994 swf_SetU8(t, (flags & 0xfe) | wide);
996 for (i = 0; i < f->numchars; i++) {
997 if (f->glyph[i].shape) {
998 int g2a = f->glyph2ascii[i];
999 wide ? swf_SetU16(t, g2a) : swf_SetU8(t, g2a);
1006 int swf_TextPrintDefineText(TAG * t, SWFFONT * f)
1008 int id = swf_GetTagID(t);
1009 if ((id == ST_DEFINETEXT) || (id == ST_DEFINETEXT2))
1010 swf_FontExtract_DefineText(f->id, f, t, FEDTJ_PRINT);
1016 void swf_FontFree(SWFFONT * f)
1023 for (i = 0; i < f->numchars; i++)
1024 if (f->glyph[i].shape) {
1025 swf_ShapeFree(f->glyph[i].shape);
1026 f->glyph[i].shape = NULL;
1031 if (f->ascii2glyph) {
1032 rfx_free(f->ascii2glyph);
1033 f->ascii2glyph = NULL;
1035 if (f->glyph2ascii) {
1036 rfx_free(f->glyph2ascii);
1037 f->glyph2ascii = NULL;
1041 font_freeglyphnames(f);
1047 int swf_TextSetInfoRecord(TAG * t, SWFFONT * font, U16 size, RGBA * color, int dx, int dy)
1053 flags = TF_TEXTCONTROL | (font ? TF_HASFONT : 0) | (color ? TF_HASCOLOR : 0) | (dx ? TF_HASXOFFSET : 0)
1054 | (dy ? TF_HASYOFFSET : 0);
1056 swf_SetU8(t, flags);
1058 swf_SetU16(t, font->id);
1060 if (swf_GetTagID(t) == ST_DEFINETEXT2)
1061 swf_SetRGBA(t, color);
1063 swf_SetRGB(t, color);
1066 if(dx != SET_TO_ZERO) {
1067 if(dx>32767 || dx<-32768)
1068 fprintf(stderr, "Warning: Horizontal char position overflow: %d\n", dx);
1075 if(dy != SET_TO_ZERO) {
1076 if(dy>32767 || dy<-32768)
1077 fprintf(stderr, "Warning: Vertical char position overflow: %d\n", dy);
1084 swf_SetU16(t, size);
1089 static int swf_TextCountBits2(SWFFONT * font, U8 * s, int scale, U8 * gbits, U8 * abits, char *encoding)
1093 if ((!s) || (!font) || ((!gbits) && (!abits)) || (!font->ascii2glyph))
1097 if (!strcmp(encoding, "UTF8"))
1099 else if (!strcmp(encoding, "iso-8859-1"))
1102 fprintf(stderr, "Unknown encoding: %s", encoding);
1110 c = readUTF8char(&s);
1112 if (c < font->maxascii)
1113 glyph = font->ascii2glyph[c];
1115 g = swf_CountUBits(glyph, g);
1116 a = swf_CountBits(((((U32) font->glyph[glyph].advance) * scale) / 20) / 100, a);
1127 static int swf_TextSetCharRecord2(TAG * t, SWFFONT * font, U8 * s, int scale, U8 gbits, U8 abits, char *encoding)
1132 if ((!t) || (!font) || (!s) || (!font->ascii2glyph))
1135 if (!strcmp(encoding, "UTF8"))
1137 else if (!strcmp(encoding, "iso-8859-1"))
1140 fprintf(stderr, "Unknown encoding: %s", encoding);
1143 swf_SetU8(t, l); //placeholder
1151 c = readUTF8char(&s);
1153 if (c < font->maxascii)
1154 g = font->ascii2glyph[c];
1156 swf_SetBits(t, g, gbits);
1157 swf_SetBits(t, ((((U32) font->glyph[g].advance) * scale) / 20) / 100, abits);
1164 PUT8(&t->data[pos], l);
1166 swf_ResetWriteBits(t);
1170 int swf_TextCountBits(SWFFONT * font, U8 * s, int scale, U8 * gbits, U8 * abits)
1172 return swf_TextCountBits2(font, s, scale, gbits, abits, "iso-8859-1");
1175 int swf_TextSetCharRecord(TAG * t, SWFFONT * font, U8 * s, int scale, U8 gbits, U8 abits)
1177 return swf_TextSetCharRecord2(t, font, s, scale, gbits, abits, "iso-8859-1");
1180 int swf_TextCountBitsUTF8(SWFFONT * font, U8 * s, int scale, U8 * gbits, U8 * abits)
1182 return swf_TextCountBits2(font, s, scale, gbits, abits, "UTF8");
1185 int swf_TextSetCharRecordUTF8(TAG * t, SWFFONT * font, U8 * s, int scale, U8 gbits, U8 abits)
1187 return swf_TextSetCharRecord2(t, font, s, scale, gbits, abits, "UTF8");
1190 U32 swf_TextGetWidth(SWFFONT * font, U8 * s, int scale)
1197 if (*s < font->maxascii)
1198 g = font->ascii2glyph[*s];
1200 res += font->glyph[g].advance / 20;
1204 res = (res * scale) / 100;
1209 SRECT swf_TextCalculateBBoxUTF8(SWFFONT * font, U8 * s, int scale)
1216 int c = readUTF8char(&s);
1217 if (c < font->maxascii) {
1218 int g = font->ascii2glyph[c];
1220 SRECT rn = font->layout->bounds[g];
1221 rn.xmin = (rn.xmin * scale) / 20 / 100 + xpos;
1222 rn.xmax = (rn.xmax * scale) / 20 / 100 + xpos;
1223 rn.ymin = (rn.ymin * scale) / 20 / 100 + ypos;
1224 rn.ymax = (rn.ymax * scale) / 20 / 100 + ypos;
1225 swf_ExpandRect2(&r, &rn);
1226 xpos += (font->glyph[g].advance * scale) / 20 / 100;
1235 SWFFONT *swf_ReadFont(char *filename)
1241 f = open(filename, O_RDONLY|O_BINARY);
1243 if (f < 0 || swf_ReadSWF(f, &swf) < 0) {
1244 fprintf(stderr, "%s is not a valid SWF font file or contains errors.\n", filename);
1250 if (swf_FontExtract(&swf, WRITEFONTID, &font) < 0)
1257 void swf_WriteFont(SWFFONT * font, char *filename)
1264 int useDefineFont2 = 0;
1265 int storeGlyphNames = 1;
1268 useDefineFont2 = 1; /* the only thing new in definefont2
1269 is layout information. */
1271 font->id = WRITEFONTID; //"FN"
1273 memset(&swf, 0x00, sizeof(SWF));
1275 swf.fileVersion = 4;
1276 swf.frameRate = 0x4000;
1278 /* if we use DefineFont1 to store the characters,
1279 we have to build a textfield to store the
1280 advance values. While at it, we can also
1281 make the whole .swf viewable */
1283 /* we now always create viewable swfs, even if we
1284 did use definefont2 -mk */
1285 t = swf_InsertTag(NULL, ST_SETBACKGROUNDCOLOR);
1290 swf_SetRGB(t, &rgb);
1291 if (!useDefineFont2) {
1292 t = swf_InsertTag(t, ST_DEFINEFONT);
1293 swf_FontSetDefine(t, font);
1294 t = swf_InsertTag(t, ST_DEFINEFONTINFO);
1295 swf_FontSetInfo(t, font);
1297 t = swf_InsertTag(t, ST_DEFINEFONT2);
1298 swf_FontSetDefine2(t, font);
1301 if (storeGlyphNames && font->glyphnames) {
1303 t = swf_InsertTag(t, ST_GLYPHNAMES);
1304 swf_SetU16(t, WRITEFONTID);
1305 swf_SetU16(t, font->numchars);
1306 for (c = 0; c < font->numchars; c++) {
1307 if (font->glyphnames[c])
1308 swf_SetString(t, font->glyphnames[c]);
1310 swf_SetString(t, "");
1314 if (1) //neccessary only for df1, but pretty to look at anyhow, so do it always
1316 int textscale = 400;
1323 int range = font->maxascii;
1326 if (useDefineFont2 && range > 256) {
1330 for (s = 0; s < range; s++) {
1331 int g = font->ascii2glyph[s];
1333 if ((font->glyph[g].advance * textscale / 20) / 64 > xmax) {
1334 xmax = (font->glyph[g].advance * textscale / 20) / 64;
1338 if ((s & 15) == 0) {
1345 ymax = ypos * textscale * 2;
1347 swf.movieSize.xmax = xmax * 20;
1348 swf.movieSize.ymax = ymax;
1350 t = swf_InsertTag(t, ST_DEFINETEXT);
1352 swf_SetU16(t, font->id + 1); // ID
1356 r.xmax = swf.movieSize.xmax;
1357 r.ymax = swf.movieSize.ymax;
1361 swf_SetMatrix(t, NULL);
1363 abits = swf_CountBits(xmax * 16, 0);
1366 swf_SetU8(t, gbits);
1367 swf_SetU8(t, abits);
1373 for (y = 0; y < ((range + 15) / 16); y++) {
1374 int c = 0, lastx = -1;
1375 for (x = 0; x < 16; x++) {
1376 int g = (y * 16 + x < range) ? font->ascii2glyph[y * 16 + x] : -1;
1377 if (g >= 0 && font->glyph[g].shape) {
1384 swf_TextSetInfoRecord(t, font, textscale, &rgb, lastx + 1, textscale * ypos * 2);
1385 for (x = 0; x < 16; x++) {
1386 int g = (y * 16 + x < range) ? font->ascii2glyph[y * 16 + x] : -1;
1387 if (g >= 0 && font->glyph[g].shape) {
1388 if (lastx != x * xmax) {
1389 swf_TextSetInfoRecord(t, 0, 0, 0, x * xmax + 1, 0);
1392 swf_SetBits(t, g, gbits);
1393 swf_SetBits(t, font->glyph[g].advance / 20, abits);
1394 lastx = x * xmax + (font->glyph[g].advance / 20);
1395 swf_ResetWriteBits(t);
1404 t = swf_InsertTag(t, ST_PLACEOBJECT2);
1406 swf_ObjectPlace(t, font->id + 1, 1, NULL, NULL, NULL);
1408 t = swf_InsertTag(t, ST_SHOWFRAME);
1412 t = swf_InsertTag(t, ST_END);
1414 f = open(filename, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0644);
1416 (swf_WriteSWF(f, &swf)) fprintf(stderr, "WriteSWF() failed in writeFont().\n");
1423 void swf_SetEditText(TAG * tag, U16 flags, SRECT r, char *text, RGBA * color, int maxlength, U16 font, U16 height, EditTextLayout * layout, char *variable)
1425 swf_SetRect(tag, &r);
1426 swf_ResetWriteBits(tag);
1428 flags &= ~(ET_HASTEXT | ET_HASTEXTCOLOR | ET_HASMAXLENGTH | ET_HASFONT | ET_HASLAYOUT);
1430 flags |= ET_HASTEXT;
1432 flags |= ET_HASTEXTCOLOR;
1434 flags |= ET_HASMAXLENGTH;
1436 flags |= ET_HASFONT;
1438 flags |= ET_HASLAYOUT;
1440 swf_SetBits(tag, flags, 16);
1442 if (flags & ET_HASFONT) {
1443 swf_SetU16(tag, font); //font
1444 swf_SetU16(tag, height); //fontheight
1446 if (flags & ET_HASTEXTCOLOR) {
1447 swf_SetRGBA(tag, color);
1449 if (flags & ET_HASMAXLENGTH) {
1450 swf_SetU16(tag, maxlength); //maxlength
1452 if (flags & ET_HASLAYOUT) {
1453 swf_SetU8(tag, layout->align); //align
1454 swf_SetU16(tag, layout->leftmargin); //left margin
1455 swf_SetU16(tag, layout->rightmargin); //right margin
1456 swf_SetU16(tag, layout->indent); //indent
1457 swf_SetU16(tag, layout->leading); //leading
1459 swf_SetString(tag, variable);
1460 if (flags & ET_HASTEXT)
1461 swf_SetString(tag, text);
1464 SRECT swf_SetDefineText(TAG * tag, SWFFONT * font, RGBA * rgb, char *text, int scale)
1468 U8 *c = (U8 *) text;
1471 r = swf_TextCalculateBBoxUTF8(font, text, scale * 20);
1473 fprintf(stderr, "No layout information- can't compute text bbox accurately");
1474 /* Hm, without layout information, we can't compute a bounding
1475 box. We could call swf_FontCreateLayout to create a layout,
1476 but the caller probably doesn't want us to mess up his font
1479 r.xmin = r.ymin = 0;
1480 r.xmax = r.ymax = 1024 * 20;
1483 swf_SetRect(tag, &r);
1485 /* The text matrix is pretty boring, as it doesn't apply to
1486 individual characters, but rather whole text objects (or
1487 at least whole char records- haven't tested).
1488 So it can't do anything which we can't already do with
1489 the placeobject tag we use for placing the text on the scene.
1491 swf_SetMatrix(tag, 0);
1493 swf_TextCountBitsUTF8(font, text, scale * 20, &gbits, &abits);
1494 swf_SetU8(tag, gbits);
1495 swf_SetU8(tag, abits);
1497 /* now set the text params- notice that a font size of
1498 1024 means that the glyphs will be displayed exactly
1499 as they would be in/with a defineshape. (Try to find
1500 *that* in the flash specs)
1502 swf_TextSetInfoRecord(tag, font, (scale * 1024) / 100, rgb, 0, 0); //scale
1504 /* set the actual text- notice that we just pass our scale
1505 parameter over, as TextSetCharRecord calculates with
1507 swf_TextSetCharRecordUTF8(tag, font, text, scale * 20, gbits, abits);
1513 void swf_FontCreateLayout(SWFFONT * f)
1522 f->layout = (SWFLAYOUT *) rfx_calloc(sizeof(SWFLAYOUT));
1523 f->layout->bounds = (SRECT *) rfx_alloc(f->numchars * sizeof(SRECT));
1524 f->layout->ascent = -32767;
1525 f->layout->descent = -32767;
1527 for (t = 0; t < f->numchars; t++) {
1531 shape2 = swf_ShapeToShape2(f->glyph[t].shape);
1533 fprintf(stderr, "Shape parse error\n");
1536 bbox = swf_GetShapeBoundingBox(shape2);
1537 swf_Shape2Free(shape2);
1538 f->layout->bounds[t] = bbox;
1540 width = (bbox.xmax);
1542 /* The following is a heuristic- it may be that extractfont_DefineText
1543 has already found out some widths for individual characters (from the way
1544 they are used)- we now have to guess whether that width might be possible,
1545 which is the case if it isn't either much too big or much too small */
1546 if (width > f->glyph[t].advance * 3 / 2 || width < f->glyph[t].advance / 2)
1547 f->glyph[t].advance = width;
1549 if (-bbox.ymin > f->layout->ascent)
1550 f->layout->ascent = bbox.ymin;
1551 if (bbox.ymax > f->layout->descent)
1552 f->layout->descent = bbox.ymax;
1556 void swf_DrawText(drawer_t * draw, SWFFONT * font, int size, char *text)
1558 U8 *s = (U8 *) text;
1564 U32 c = readUTF8char(&s);
1565 int g = font->ascii2glyph[c];
1566 shape = font->glyph[g].shape;
1567 if (((int) g) < 0) {
1568 fprintf(stderr, "No char %d in font %s\n", c, font->name ? (char *) font->name : "?");
1571 shape2 = swf_ShapeToShape2(shape);
1574 if (l->type == moveTo) {
1576 to.x = l->x * size / 100.0 / 20.0 + advance;
1577 to.y = l->y * size / 100.0 / 20.0;
1578 draw->moveTo(draw, &to);
1579 } else if (l->type == lineTo) {
1581 to.x = l->x * size / 100.0 / 20.0 + advance;
1582 to.y = l->y * size / 100.0 / 20.0;
1583 draw->lineTo(draw, &to);
1584 } else if (l->type == splineTo) {
1586 mid.x = l->sx * size / 100.0 / 20.0 + advance;
1587 mid.y = l->sy * size / 100.0 / 20.0;
1588 to.x = l->x * size / 100.0 / 20.0 + advance;
1589 to.y = l->y * size / 100.0 / 20.0;
1590 draw->splineTo(draw, &mid, &to);
1594 swf_Shape2Free(shape2);
1595 advance += font->glyph[g].advance * size / 100.0 / 20.0;